Re: WALInsertLock contention - Mailing list pgsql-hackers

From Stephen Frost
Subject Re: WALInsertLock contention
Date
Msg-id 20110217043954.GR4116@tamriel.snowman.net
Whole thread Raw
In response to Re: WALInsertLock contention  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: WALInsertLock contention  (Tatsuo Ishii <ishii@postgresql.org>)
List pgsql-hackers
* Robert Haas (robertmhaas@gmail.com) wrote:
> On Wed, Feb 16, 2011 at 11:13 PM, Tatsuo Ishii <ishii@postgresql.org> wrote:
> > I vaguely recall that UNISYS used to present patches to reduce the WAL
> > buffer lock contention and enhanced the CPU scalability limit from 12
> > to 16 or so(if my memory serves). Your second idea is somewhat related
> > to the patches?
>
> Not sure.  Do you have a link to the archives, or any idea when this
> discussion occurred/what the subject line was?

They presented at PgCon a couple of years in a row, iirc..

http://www.pgcon.org/2007/schedule/events/16.en.html

I thought there was another one but I'm not finding it atm..
Thanks,
    Stephen

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